Katayama
noun
Ka·ta·ya·ma
ˌkät-ə-ˈyä-mə 
in former classifications
: a genus of Asian freshwater snails including important intermediate hosts of a human trematode worm of the genus Schistosoma (S. japonicum) and now considered part of the genus Oncomelania
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“Katayama.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Katayama. Accessed 23 Dec. 2024.
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